333540241 has 2 divisors, whose sum is σ = 333540242. Its totient is φ = 333540240.

The previous prime is 333540239. The next prime is 333540283. The reversal of 333540241 is 142045333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319694400 + 13845841 = 17880^2 + 3721^2 .

It is a cyclic number.

It is not a de Polignac number, because 333540241 - 2¹ = 333540239 is a prime.

It is a super-2 number, since 2×333540241² = 222498184732676162, which contains 22 as substring.

Together with 333540239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (333540211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166770120 + 166770121.

It is an arithmetic number, because the mean of its divisors is an integer number (166770121).

Almost surely, 2^333540241 is an apocalyptic number.

It is an amenable number.

333540241 is a deficient number, since it is larger than the sum of its proper divisors (1).

333540241 is an equidigital number, since it uses as much as digits as its factorization.

333540241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 333540241 is about 18263.0841042799. The cubic root of 333540241 is about 693.5047064410.

Adding to 333540241 its reverse (142045333), we get a palindrome (475585574).

The spelling of 333540241 in words is "three hundred thirty-three million, five hundred forty thousand, two hundred forty-one".